The Bushnell Yardage Pro Riflescope is completely waterproof and fogproof, so you can bring this on any hunting expedition, in any weather. Activate the laser rangefinder with a wireless trigger pad to measure the exact distance to the target. Price search results for Bushnell Yardage Pro Laser Rangefinder 4 12x42.We Combined A Premium 4-12x42mm Riflescope, Laser Rangefinder And Bullet-drop Compensator, So You Can See Your Target With Stunning Clarity And Nail It With Lethal Precision.